A combined tooling for testing air tightness and electrical performance of a motor controller

Abstract

The utility model discloses a combined tooling for testing air tightness and electrical performance of a motor controller, comprising a conductive component and an air tightness valve component, wherein the conductive component is located on a tooling bracket, and the motor controller is respectively connected to an electrical performance testing device and an air tightness testing device via the conductive component and the air tightness valve component, so as to achieve simultaneous testing of air tightness and electrical performance. The utility model combines the two tests of air tightness and electrical performance in one station, thus saving space and improving product assembly efficiency; an O-ring seal is provided between the conductive sealing terminal and the housing of the connector, so as to prevent air tightness leakage of the connector during air tightness testing, and the conductive sealing terminal can be both conductive and partially sealed, and electrical performance can be tested; the conductive sealing terminal is fixed to the tooling bracket, and the tooling bracket is connected to a manipulator cylinder on a production line, so as to automatically test air tightness and electrical performance.

Description

Technical Field

[0001] The utility model relates to the technical field of motor controllers, and is a combined tool for testing airtightness and electrical performance of a motor controller. Background Art

[0002] The motor controller is an integrated circuit that actively controls the motor to work in the set direction, speed, angle, and response time. The function of the motor controller is to convert the electric energy stored in the power battery into the electric energy required to drive the motor according to the gear position, throttle, brake and other instructions to control the start-up, forward and backward speed, climbing strength and other driving conditions of the electric vehicle, or to help the electric vehicle brake and store part of the braking energy in the power battery; it is one of the key components of electric vehicles. At present, the production line test of the motor controller is a single-station workstation, that is, the airtightness and electrical performance of the motor controller are tested separately. The separate testing of airtightness and electrical performance affects the product assembly time and is not efficient.

[0003] Therefore, it is an issue worthy of study to provide a motor controller airtightness and electrical performance test combination tooling that saves airtightness test time and makes product assembly more efficient. Summary of the invention

[0004] The utility model aims to provide a motor controller airtightness and electrical performance test combined tooling which saves airtightness test time and makes product assembly efficiency higher.

[0005] The purpose of the utility model is achieved in this way:

[0006] A combined tooling for testing air tightness and electrical performance of a motor controller, comprising a conductive component which is sealingly connected to a connector of the motor controller and is used for testing the electrical performance of the motor controller, and an airtight valve component which is located on a tooling bracket and is connected to an air outlet of the motor controller for testing the air tightness of the motor controller. The conductive component is located on the tooling bracket, and the motor controller is connected to an electrical performance testing device and an airtightness testing device respectively through the conductive component and the airtight valve component to achieve simultaneous testing of air tightness and electrical performance.

[0007] The conductive component includes a conductive sealing terminal sealed with a plug connector, a slot at one end of the conductive sealing terminal, a plurality of conductive springs on the inner surface of the slot, and a sealing body on the outer surface of the conductive sealing terminal, wherein the sealing body enables the conductive sealing terminal to be in sealed contact with the outer shell of the plug connector.

[0008] The conductive component also includes an external wiring harness connected to the other end of the conductive sealing terminal. The current of the motor controller flows into the electrical performance testing device through the connector, the conductive sealing terminal and the external wiring harness to perform an electrical performance test on the motor controller.

[0009] The sealing body comprises a groove located on the outer surface of one end of the conductive sealing terminal and a sealing ring located in the groove. The outer surface and inner surface of the sealing ring are in sealing contact with the groove and the inner surface of the housing of the plug-in component respectively.

[0010] The connector terminal is located in the slot and contacts the conductive spring sheet to conduct current.

[0011] The beneficial effects of the utility model are as follows: the utility model combines two tests, air tightness and electrical performance, in one workstation, thus saving space and improving product assembly efficiency; an O-ring seal is provided between the conductive sealing terminal and the outer shell of the connector, which can prevent air tightness leakage of the connector during air tightness testing, and can both conduct electricity and partially seal the conductive sealing terminal, and test electrical performance; the conductive sealing terminal is fixed to a tooling bracket, which is connected to a manipulator cylinder on the production line, and can automatically test air tightness and electrical performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is the cross-sectional view in the AA direction;

[0014] Figure 3 This is a schematic diagram of the structure of the conductive sealed terminal of the utility model;

[0015] Figure 4 It is the cross-sectional view in the BB direction;

[0016] In the figure: motor controller 1, connector 2, conductive sealing terminal 3, external wiring harness 4, tooling bracket 5, airtight valve assembly 6, sealing ring 7, conductive spring 8, connector terminal 9, slot 10. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] like Figure 1 and Figure 2As shown, a motor controller airtightness and electrical performance test combined tooling includes a conductive component that is sealed and connected to the plug connector 2 of the motor controller 1 and is used to test the electrical performance of the motor controller 1, and an airtight valve component 6 that is located on the tooling bracket 5 and connected to the air outlet of the motor controller 1 to test the airtightness of the motor controller 1. The conductive component is located on the tooling bracket 5. The motor controller 1 is connected to the electrical performance test device and the airtightness test device through the conductive component and the airtight valve component 6, respectively, to achieve simultaneous testing of airtightness and electrical performance. The tooling bracket 5 is connected to the manipulator cylinder on the production line, and can automatically test airtightness and electrical performance. The conductive component is sealed and connected to the plug connector 2, which can prevent the airtightness of the connector 2 from leaking when testing airtightness. It can conduct electricity, partially seal the plug connector terminal 9, and test electrical performance. The two tests of airtightness and electrical performance are combined in one station, which saves space and improves product assembly efficiency.

[0019] like Figure 3 and Figure 4 As shown, the conductive component includes a conductive sealing terminal 3 sealed with the plug connector 2, a slot 10 located at one end of the conductive sealing terminal 3, a plurality of conductive springs 8 located on the inner surface of the slot 10, and a sealing body located on the outer surface of the conductive sealing terminal 3, the sealing body makes the conductive sealing terminal 3 in sealed contact with the outer shell of the plug connector 2. The sealing body includes a groove located on the outer surface of one end of the conductive sealing terminal 3, and a sealing ring 7 located in the groove. The outer surface and inner surface of the sealing ring 7 are in sealed contact with the groove and the inner surface of the outer shell of the plug connector 2, respectively, which can prevent the airtight leakage of the connector 2 when testing the airtightness, that is, it can conduct electricity and make the plug connector terminal 9 partially sealed, and can also test the electrical performance, that is, the electrical performance and sealing performance of the motor controller 1 can be tested at the same time. The plug connector terminal 9 is located in the slot 10 and is in contact with the conductive spring 8 to conduct the current.

[0020] The conductive component also includes an external wiring harness 4 connected to the other end of the conductive sealing terminal 3. The current of the motor controller 1 flows into the electrical performance testing device through the connector 2, the conductive sealing terminal 3 and the external wiring harness 4 to perform an electrical performance test on the motor controller 1. The conductive sealing terminal 3 is insulated and fixedly connected to the tooling bracket 4 through a connector.

[0021] The utility model combines the airtightness and electrical performance tests in one workstation, saving space and improving product assembly efficiency; an O-ring seal is provided between the conductive sealing terminal and the housing of the connector, which can prevent airtightness leakage of the connector when testing airtightness, and can conduct electricity and partially seal the conductive sealing terminal, and can also test electrical performance; the conductive sealing terminal is fixed to a tooling bracket, and the tooling bracket is connected to the manipulator cylinder on the production line, which can automatically test airtightness and electrical performance.

Claims

1. A motor controller airtightness and electrical performance test combined tooling, characterized in that: It includes a conductive component that is sealed and connected to the connector of the motor controller and is used to perform an electrical performance test on the motor controller, and an airtight valve component that is located on a tooling bracket and connected to the air outlet of the motor controller to perform an airtightness test on the motor controller. The conductive component is located on the tooling bracket, and the motor controller is connected to an electrical performance test device and an airtightness test device through the conductive component and the airtight valve component, respectively, so as to achieve simultaneous testing of airtightness and electrical performance.

2. The motor controller airtightness and electrical performance test combined tooling according to claim 1, characterized in that: The conductive component includes a conductive sealing terminal sealed with a plug connector, a slot at one end of the conductive sealing terminal, a plurality of conductive springs on the inner surface of the slot, and a sealing body on the outer surface of the conductive sealing terminal, wherein the sealing body enables the conductive sealing terminal to be in sealed contact with the outer shell of the plug connector.

3. The motor controller airtightness and electrical performance test combined tooling according to claim 2, characterized in that: The conductive component also includes an external wiring harness connected to the other end of the conductive sealing terminal. The current of the motor controller flows into the electrical performance testing device through the connector, the conductive sealing terminal and the external wiring harness to perform an electrical performance test on the motor controller.

4. The motor controller airtightness and electrical performance test combined tooling according to claim 2, characterized in that: The sealing body comprises a groove located on the outer surface of one end of the conductive sealing terminal and a sealing ring located in the groove. The outer surface and inner surface of the sealing ring are in sealing contact with the groove and the inner surface of the housing of the plug-in component respectively.

5. The motor controller airtightness and electrical performance test combined tooling according to claim 2, characterized in that: The connector terminal is located in the slot and contacts the conductive spring sheet to conduct current.

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